Code:
/ 4.0 / 4.0 / untmp / DEVDIV_TFS / Dev10 / Releases / RTMRel / wpf / src / Framework / System / Windows / Automation / Peers / RangeBaseAutomationPeer.cs / 1305600 / RangeBaseAutomationPeer.cs
using System; using System.Runtime.InteropServices; using System.Security; using System.Text; using System.Windows; using System.Windows.Automation.Provider; using System.Windows.Controls; using System.Windows.Controls.Primitives; using System.Windows.Interop; using System.Windows.Media; using MS.Internal; using MS.Win32; namespace System.Windows.Automation.Peers { /// public class RangeBaseAutomationPeer : FrameworkElementAutomationPeer, IRangeValueProvider { /// public RangeBaseAutomationPeer(RangeBase owner): base(owner) { } /// override public object GetPattern(PatternInterface patternInterface) { if (patternInterface == PatternInterface.RangeValue) return this; else return base.GetPattern(patternInterface); } // [System.Runtime.CompilerServices.MethodImpl(System.Runtime.CompilerServices.MethodImplOptions.NoInlining)] internal void RaiseMinimumPropertyChangedEvent(double oldValue, double newValue) { RaisePropertyChangedEvent(RangeValuePatternIdentifiers.MinimumProperty, oldValue, newValue); } // [System.Runtime.CompilerServices.MethodImpl(System.Runtime.CompilerServices.MethodImplOptions.NoInlining)] internal void RaiseMaximumPropertyChangedEvent(double oldValue, double newValue) { RaisePropertyChangedEvent(RangeValuePatternIdentifiers.MaximumProperty, oldValue, newValue); } // [System.Runtime.CompilerServices.MethodImpl(System.Runtime.CompilerServices.MethodImplOptions.NoInlining)] internal void RaiseValuePropertyChangedEvent(double oldValue, double newValue) { RaisePropertyChangedEvent(RangeValuePatternIdentifiers.ValueProperty, oldValue, newValue); } ////// Helper function for IRangeValueProvider.SetValue to provide a way for drive classes to have /// custom way of implementing it. /// /// virtual internal void SetValueCore(double val) { RangeBase owner = (RangeBase)Owner; if (val < owner.Minimum || val > owner.Maximum) { throw new ArgumentOutOfRangeException("val"); } owner.Value = (double)val; } ////// Request to set the value that this UI element is representing /// /// Value to set the UI to, as an object ///true if the UI element was successfully set to the specified value //[CodeAnalysis("AptcaMethodsShouldOnlyCallAptcaMethods")] //Tracking Bug: 29647 void IRangeValueProvider.SetValue(double val) { if (!IsEnabled()) throw new ElementNotEnabledException(); SetValueCore(val); } ///Value of a value control, as an object double IRangeValueProvider.Value { get { return ((RangeBase)Owner).Value; } } ///Indicates that the value can only be read, not modified. ///returns True if the control is read-only bool IRangeValueProvider.IsReadOnly { get { return !IsEnabled(); } } ///maximum value double IRangeValueProvider.Maximum { get { return ((RangeBase)Owner).Maximum; } } ///minimum value double IRangeValueProvider.Minimum { get { return ((RangeBase)Owner).Minimum; } } ///Value of a Large Change double IRangeValueProvider.LargeChange { get { return ((RangeBase)Owner).LargeChange; } } ///Value of a Small Change double IRangeValueProvider.SmallChange { get { return ((RangeBase)Owner).SmallChange; } } } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007. // Copyright (c) Microsoft Corporation. All rights reserved.
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